/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraCommon.h
FNiagaraSystemUpdateContext ( const [UNiagaraSystem](API\Plugins\Niagara\UNiagaraSystem) * System, bool bReInit, bool bInDestroyOnAdd, bool bInOnlyActive, bool bInDestroySystemSim )